Boiler not responding

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Original system

Ideal logic system 18

Honeywell ST9400c

Honeywell T6360B


Fitted

Starter kit 

Wireless smart thermostat V3+

Including programmer for hot water

Bridge- wireless temp. Sensor, wireless receiver

All paired


Wired as per instructions 

Original stat linked. 

“S-plan 

From 3 hw blk.  To HW NO

From 4 ch grey  To CH NO


Did the test buttons

Both worked 

H Water works as per schedule 👍

*******????

C H. Only works with test button 

Does not respond to app. schedule, time or temp. 

*******?????